Home / 7,391.40-10,193.34-5,507.64

Finding the Fourth Proportional to 7,391.40, 10,193.34 and 5,507.64

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Solution

The fourth proportional to 7,391.40, 10,193.34 and 5,507.64 is: 7,595.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.40 : 10,193.34 = 5,507.64 : x
  2. Step 2: Convert to fraction form
    7,391.40/10,193.34 = 5,507.64/x
  3. Step 3: Cross multiply
    7,391.40x = 10,193.34 × 5,507.64
  4. Step 4: Simplify right side
    7,391.40x = 56,141,247.12
  5. Step 5: Solve for x
    x = 56,141,247.12/7,391.40
  6. Step 6: Final answer
    x = 7,595.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.